Anti-theft device



FIG. 1 is a perspective view of an anti-theft device according to my new design;

FIG. 2 is a right-side elevational view of the anti-theft device of FIG. 1;

FIG. 3 is a left-side elevational view of the anti-theft device of FIG. 1;

FIG. 4 is a top plan view of the anti-theft device of FIG. 1;

FIG. 5 is a front side view of the anti-theft device of FIG. 1;

FIG. 6 is a bottom plan view of the anti-theft device of FIG. 1;

FIG. 7 is a rear side view of the anti-theft device of FIG. 1; and,

FIG. 8 is a perspective view of the anti-theft device of FIG. 1, the broken-line disclosure of environment are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an anti-theft device, as shown and described. 